<template>
  <div class="person">
    <h2>name: {{ person.name }}</h2>
    <h2>age: {{ person.age }}</h2>
    <button @click="changeName">changeName</button>
    <button @click="changeAge">changeAge</button>
  </div>
</template>

<script lang="ts" setup name="Person">
import { reactive, toRefs } from "vue";

let person = reactive({
  name: "tom",
  age: 20,
});

let { name, age } = toRefs(person);

function changeName() {
  name.value += "~";
  console.log(name);
}

function changeAge() {
  age.value += 1;
}
</script>

<style scoped>
.person {
  background-color: skyblue;
  box-shadow: 0 0 10px;
  border-radius: 10px;
  padding: 20px;
}
button {
  margin: 0 5px;
}
</style>
